The roller mill by Rueter machines is a new development. The build rolls enable a quick roll change. It just takes about 5 minutes, watch the change in real-time at the middle of the video (6:20). This construction is an innovation. For years, it´s been intensively developed. Meanwhile, several prototypes are successful in productive use. Take a look at the latest video.
Further informations: "Walzenstuhl" translated by Google from DE to EN.